.list-content{
    position: relative;
}
.list-content+.list-content{
    border-top:1px solid #1E2327;
}
.list-title{
    height:44px;
    line-height: 44px;
    font-size:15px;
    color:#fff;
    padding-left:30px;
    background:#292D36;
}
.drop-list{
    padding:8px 30px;
}
.drop-list li{
   font-size:12px;
   color:#808ba3;
   line-height: 22px;
}
.my-icon{
    float:right;
    margin-right:30px;
    width:12px;
    height: 12px;
    border-left:1px solid #5C6579;
    border-top:1px solid #5C6579;
    transform:rotate(-135deg);
    margin-top:10px;
    transition:all .3s;
}
.my-icon.active{
    transform:rotate(45deg);
}